Row cover-what is it and how to use it

One of two of my favorite aids to use in the garden

If you look at my vegetable garden throughout the season, you will see lots of white row cover over everything newly planted in my garden especially in spring when first planting crops out.

What is it? How can you use it? Where can you get it?

What is row cover?

Row cover, also called Remay as it is also called is a polypropylene material that you put over your crops or plants for protection from cold, to keep animals out and to help plants acclimate to our environment. Rain or water can go through it and sun comes thru although reduced if you get mid or heavy weight. It is not like a sheet, which doesn’t protect our plants. You’ll need to protect them in some kind of mouse proof container in the winter or the mice will eat holes in them. I store mine in a garbage can in the winter.

It comes in several ‘weights’

winter weight– is for when you need the most protection down 4-6 degrees below freezing. It lets in about 70% of light. I don’t use winter or heavy weight anymore and I would never use this weight in summer, the plants don’t need that heavy of material. I want more light to come through in the summer. My go-to now is medium weight.

medium weight– The medium weight of this row cover is 0.50-0.55 oz.
Medium weight covers allow 85% light transmission and provide frost protection down to 28 degrees. Medium or heavy covers is what should be used during our winters (that’s if you have crops then).

I use medium weight the most, especially in late spring and early summer when I’m first planting seeds and transplanting plants outside. If the night is going to be really cold, sometimes I double up the medium weight at night and fold it all back in the day. So if you only want to buy one weight, get this one. No matter what, always fold back the row cover so light can reach it in the day time and cover it back up at night if you have freezing temperatures. This exception is if it is below freezing in the daytime. Then keep it covered for that day. It lasts 2-3 years depending on the wind ripping it up.

light weight-I never use this as it tears up too easily in our spring winds. Waste of money.

How to use row cover

-I use it to protect new transplants from our high altitude sun. Also offers protection from wind.

-I use it to cover seeds I direct plant in the ground to help keep the ground from drying out.

-I use it to keep some plants (especially newly planted) from getting sunburned.

-I use it as a physical barrier to keep bugs that will damage plants off of them.

-I not only use it to protect newly planted plants but also when I put direct-seed like corn or beans in the soil, I put it over the crop-it protects from birds eating the seeds, giving them a chance to germinate. I uncover them when the sprouts are 3-4 inches tall. Birds just love corn and bean sprouts!

-I just lay a sheet of row cover directly over my plants, tacking it down with rocks or 2 x 4 wood so it doesn’t blow away. If you have a cold frame or want to use it on a raised bed, it helps to put some PVC hoops over the bed and then cover the hoops completely with heavy plastic for more protection with the plants inside with the row cover on top of them. You will need to uncover the plants in the daytime and cover at nite AND you need to vent the ends of your mini hoop house to let heat out in the day. You can google how to make a mini hoop house this way. Not hard to do and it let’s you get some crops in sooner.

Row cover protects tomato plants and more

Jun23

Here is what my garden looks like right now. Just about everything is covered with a material called row cover (also called Remay). My tomato cages are covered from top to bottom with it. This acts as a physical barrier to keep a bug called the beet leafhopper from biting them and transferring a disease called Curly Top Virus (CTV). I’ll take it off my tomatoes when the monsoons arrive. The bug leaves when the monsoons come.

I also put row cover over my other veggie transplants while they adjust to the heat and wind when I transplant them into the garden. And I put it over other veggies that I plant by seeds like beans, cucumber and corn. I just plant the seeds in the ground and put a sheet of row cover over them tacking it down with rocks so the wind doesn’t blow it away-but don’t make it too tight. Give the plants some room to grow under it. When the seeds germinate, row cover keeps the birds from eating the sprouts and I don’t have to replant seeds as often. Plus you can water right through it. Row cover comes in 3 weights. A heavy weight (1.0) for fall-winter, a mid-weight for summer (.5) and a light weight (.3) which does not work well here because of the winds-it rips easily. I use a mid-weight in the summer in my garden.

So basically I use row cover in the beginning of the growing season on almost everything. You can get it at most nurseries. And you won’t have to keep it on all summer. Once your corn and beans grow up about 4 inches, and your transplants adjust to outdoor growing and the bugs leave, you can take it off and enjoy watching your garden grow. Another plus is it gives some protection against hail. Great stuff. I highly recommend it to be a more successful gardener.

Row cover everywhere!

Jun13

My main vegetable garden is basically divided into three sections-Section 1, Section 2 and Section 3-each section being around a 1000 square feet. So as I look at what I call ‘Section 3’, all I see is row cover everywhere! Looks like I laid out my laundry all over the ground but this is temporary. Row cover is used for extending the seasons and for protecting crops.

When I plant new transplants such as eggplants and peppers, I find our winds horrible on them, whipping them around and drying them out-totally stressing the poor little things so I put these mini hoops over them and put row cover on that protecting them from the ferocious winds we’ve had. When I plant seeds, I also cover them with row cover to protect them from the birds and other animals eating the seedlings as the germinate. Birds love bean sprouts, corn sprouts and cucumber sprouts but when I cover them, the birds don’t know what’s going on underneath when they germinate. So the garden looks like hell for a couple of weeks but will save me time and frustration of replanting more seeds later. This year after I planted the corn, bean and cucumber seeds, I put straw around them to help keep the soil moist and since I waited to plant later, an added bonus is the soil is pre-warmed and the straw will help hold in the moisture when I water.